mixed bag vs potpourri

mixed bag and potpourri both are nouns.

Word	Noun	Adjective	Verb	Adverb
mixed bag	Yes	No	No	No
potpourri	Yes	No	No	No

As nouns, mixed bag and potpourri are synonyms defined as:

mixed bag and potpourri: a collection containing a variety of sorts of things

Other synonyms of mixed bag include assortment, miscellanea, miscellany, mixture, motley, salmagundi, smorgasbord, variety.

mixed bag (noun)	potpourri (noun)
a collection containing a variety of sorts of things	a jar of mixed flower petals and spices used as perfume
	a musical composition consisting of a series of songs or other musical pieces from various sources
	a collection containing a variety of sorts of things